19749858

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 40698816

約数和(自身を除く): 20948958

約数列:

[1, 2, 3, 6, 67, 73, 134, 146, 201, 219, 402, 438, 673, 1346, 2019, 4038, 4891, 9782, 14673, 29346, 45091, 49129, 90182, 98258, 135273, 147387, 270546, 294774, 3291643, 6583286, 9874929, 19749858]

約数ペア:

[(1, 19749858), (2, 9874929), (3, 6583286), (6, 3291643), (67, 294774), (73, 270546), (134, 147387), (146, 135273), (201, 98258), (219, 90182), (402, 49129), (438, 45091), (673, 29346), (1346, 14673), (2019, 9782), (4038, 4891)]